#include<cstdio>
#include<iostream>
#include<cmath>
#include<algorithm>
#include<cstring>
using namespace std;

int main()
{
  int a;
  cin >> a;
  int x=0,y=0;
  int n;
  int sum=0;
  while(a--)
  {
    cin >> n;
    if(n==100)
    {
      x++;
      sum+=100;
    }
    else
    {
      y++;
      sum+=200;
    }
  }
  sum/=2;
  if(sum%100!=0)
  {
    cout << "NO" << endl;
    return 0;
  }
  int m=sum/200;
  if(m<=y) {
    int k=sum-200*m;
    k/=100;
    if(k<=x)
      cout << "YES" << endl;
    else cout<<"NO" << endl;
  }
  else {
    int k=sum-200*y;
    k/=100;
    if(k<=x)
      cout<<"YES" << endl;
    else cout <<"NO" << endl;
  }
  return 0;
}
